import router from './router'
import store from './store'
import { Message } from 'element-ui'
import NProgress from 'nprogress' // progress bar
import 'nprogress/nprogress.css' // progress bar style
import { getToken } from '@/utils/auth' // get token from cookie
import getPageTitle from '@/utils/get-page-title'

NProgress.configure({ showSpinner: false }) // NProgress Configuration

const whiteList = ['/login', '/auth-redirect'] // no redirect whitelist
const routerKey = "routerKey_kks_hf";


router.beforeEach(async(to, from, next) => {
  // start progress bar
  NProgress.start()

  // set page title
  document.title = getPageTitle(to.meta.title)

  // determine whether the user has logged in
  const hasToken = getToken()
  // console.log(to)
  // console.log("hasToken:",hasToken);
  //增加每次理由检查权限
  if (hasToken) {
    if (to.path === '/login') {
      // if is logged in, redirect to the home page
      next({ path: '/' })
      NProgress.done() // hack: https://github.com/PanJiaChen/vue-element-admin/pull/2939
    } else {
      // determine whether the user has obtained his permission roles through getInfo
      const roles = await store.dispatch('user/getInfo')

      let hasRoles;
      // =  && store.getters.permission_routes.length != 6 && store.getters.permission_routes.length > 0
      if(store.getters.permission_routes && store.getters.permission_routes.length == 6 && roles == "3"){
        hasRoles = true;
      }else if(store.getters.permission_routes && store.getters.permission_routes.length == 10 && (roles == "2" || roles == "1")){
        hasRoles = true;
      }
      if (hasRoles) {
        next()
      } else {
        try {
          // get user info
          // note: roles must be a object array! such as: ['admin'] or ,['developer','editor']
          const roles = await store.dispatch('user/getInfo')
          // generate accessible routes map based on roles
          const accessRoutes = await store.dispatch('permission/generateRoutes', roles)
          if(accessRoutes && accessRoutes.length > 0 ){
            sessionStorage.setItem(routerKey,JSON.stringify(accessRoutes));
            router.addRoutes(accessRoutes)
          }
          if(!sessionStorage.getItem(routerKey)){
            next()
          }else{
            next({ ...to, replace: true })
          }
        } catch (error) {
          console.log(error)
          // remove token and go to login page to re-login
          await store.dispatch('user/resetToken')
          Message.error(error || 'Has Error')
          next(`/login`)
          NProgress.done()
        }
      }
    }
  } else {
    /* has no token*/

    if (whiteList.indexOf(to.path) !== -1) {
      // in the free login whitelist, go directly
      next()
    } else {
      // other pages that do not have permission to access are redirected to the login page.
      next(`/login`)
      NProgress.done()
    }
  }
})

router.afterEach(() => {
  // finish progress bar
  NProgress.done()
})
